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3-D CFD ANALYSIS ON EFFECT OF HUB-TO-TIP RATIO ON PERFORMANCE OF IMPULSE TURBINE FOR WAVE ENERGY CONVERSION
wave energy impulse turbine computational fluid dynamics
2009/10/14
This paper deals with the computational fluid dynamics analysis on effect of hub-to-tip ratio on performance of 0.6 m impulse turbine for wave energy conversion. Experiments have been conducted on the...
配流阀容积效率对三缸内燃水泵工作性能的影响（Effect of Distributing Valve’s Volumetric Efficiency on Working Performance of Three Cylinders Internal Combustion Water Pump）
内燃泵 配流阀 容积效率
2009/5/22
综合考虑液体可压缩性与液体连续流条件的影响，建立了三缸内燃泵(ICP)配流阀的动力学模型，研究了配流阀的容积效率特性。样机工作频率与配流阀的固有频率成整数倍关系时，容积效率大幅度降低。样机标定转速与容积效率最低时的转速较为接近，不利于系统正常稳定工作。容积效率的变化对ICP的燃油消耗率、输出流量、有效热效率、有效功率等性能指标影响较大，但对输出压力基本没有影响。
